Feldman's stdio changes

[unix-history] / usr / src / lib / libc / stdio / rewind.c

/* @(#)rewind.c 4.2 (Berkeley) %G% */
#include        <stdio.h>

rewind(iop)
register struct _iobuf *iop;
{
       fflush(iop);
       lseek(fileno(iop), 0L, 0);
       iop->_cnt = 0;
       iop->_ptr = iop->_base;
       iop->_flag &= ~(_IOERR|_IOEOF);
       if (iop->_flag & _IORW)
               iop->_flag &= ~(_IOREAD|_IOWRT);
}